Question: What is {position held} of {Zhou Enlai} where {end time} is {1976-1-8} ?
Paraphrase: Which designation was held by Zhou Enlai in the year 1976?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q17410 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'1976')) }